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Now showing items 4424-4443 of 13524
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Environmental factors associated with Dictyocaulus viviparus and Fasciola hepatica prevalence in dairy herds from Costa Rica
(Universidad Nacional, Costa Rica, 2017-06-15)Dictyocaulosis and fasciolosis are parasitic diseases that cause considerable economic losses for owners of farm animals worldwide, with special relevance on fasciolosis because it is an emerging zoonosis. Indirect diagnosis ... -
Environmental factors associated with Toxoplasma gondii exposure in Neotropical Primates of Costa Rica
(Frontiers in Veterinary Science, 2020-10-22)The apicomplexan parasite Toxoplasma gondii (T. gondii) has been found in more than 350 species of homoeothermic vertebrates in diverse climates and geographic areas. In most animals, T. gondii produces mild or asymptomatic ... -
Environmental forcing shapes regional house mosquito synchrony in a warming temperate island
(BioOne, 2013)Seasonal changes in the abundance of exothermic organisms can be expected with climate change if warmer temperatures can induce changes in their phenology. Given the increased time for ectothermic organism development ... -
Environmental Health Threats to Latino Migrant Farmworkers
(Annual Reviews Inc., 2021-01-04)Approximately 75% of farmworkers in the United States are Latino migrants, and about 50% of hired farmworkers do not have authorization to work in the United States. Farmworkers face numerous chemical, physical, and ... -
Environmental impact assessment of 17 construction projects in various university campuses
(WIT Press, 2018)Environmental impact assessment (EIA) is the process of evaluating the environmental consequences of a plan, policy, programme or any other project prior to the execution of the proposed action; it is the primary ... -
Environmental impacts of nitrification and nitrate adsorption in fertilized andisols in the Valle Central of Costa Rica
(Williams & Wilkins, 1994)A major scientific challenge for modern agriculture is control of off-site effects on the water resource. In the Valle Central of Costa Rica, coffee plantations may leach fertilizer-derived (Equation presented) to groundwaters, ... -
Environmental isotope applications in Latin America and the Caribbean region
(Taylor & Francis, 2020-11)This Special Issue illustrates the use of environmental isotopes in studying and assessing hydrogeological and ecohydrological issues in the Latin America and the Caribbean (LAC) region. The issue includes twenty selected ... -
Environmental management for the control of Triatoma dimidiata (Latreille, 1811), (Hemiptera: Reduviidae) in Costa Rica: a pilot project
(Memórias do Instituto Oswaldo Cruz, 2006-06)An ecological control method, using environmental management operations, based on biological and behavioral characteristics of Triatoma dimidiata (Latreille, 1811), was implemented as a pilot project in an area of Costa ... -
Environmentally relevant concentrations of silver nanoparticles diminish soil microbial biomass but do not alter enzyme activities or microbial diversity
(Elsevier B.V., 2020-06-05)The increasing use of silver nanoparticles (AgNPs) due to their well-known antimicrobial activity, has led to their accumulation in soil ecosystems. However, the impact of environmental realistic concentrations of AgNPs ... -
Enzootic mosquito vector species at equine encephalitis transmission foci in the República de Panamá
(PLOS ONE, 2017-09-22)The identification of mosquito vector species present at arboviral enzootic transmission foci is important to understand transmission eco-epidemiology and to propose and implement prevention and control strategies that ... -
La epidemia del cólera de 1856 en el Valle Central: análisis y consecuencias demográficas
(Universidad Nacional, Costa Rica, 1976-07-01)Quien entra en contacto con la bibliografía histórica de Costa Rica hallará frecuentes referencias a la guerra con los filibusteros en 1856-1857 y al retiro precipitado de las tropas costarricenses desde la ciudad de Rivas, ... -
Epidemiological characteristics and space-time analysis of the 2015 dengue outbreak in the metropolitan region of Tainan City, Taiwan
(MDPI, 2018-02-26)The metropolitan region of Tainan City in southern Taiwan experienced a dengue outbreak in 2015. This manuscript describes basic epidemiological features of this outbreak and uses spatial and temporal analysis tools to ... -
Epidemiological, social, and control determinants of Chagas disease in Central America and Mexico - Group discussion
(Memórias do Instituto Oswaldo Cruz, 2007)The existence of Chagas disease in Central America was reported for the first time in El Salvador in 1913, four years after its discovery in Brazil. At that time only Triatoma dimidiata was known as a vector, but two ... -
Epidemiología de la artritis encefalitis caprina en hatos caprinos lecheros de Costa Rica
(Universidad Nacional, Costa Rica, 2009)El objetivo de este trabajo fue determinar aspectos epidemiológicos tales como seroprevalencia, incidencia y factores de riesgo asociados a la transmisión del virus de la artritis-encefalitis caprina (CAEV) en hatos caprinos ... -
Epidemiología de la infestación de Triatoma dimidiata (Hemiptera: Reduviidae), vector de la enfermedad de Chagas, en la comunidad de Getsemaní de Heredia.
(Universidad Nacional, Costa Rica, 2018-02)La enfermedad de Chagas es una enfermedad parasitaria de transmisión vectorial y se considera una enfermedad desatendida. En Costa Rica no se conoce la situación actual de la ecología de la enfermedad en las comunidades ... -
Epidemiología de la leucosis enzoótica bovina en hatos lecheros especializados de Costa Rica
(Universidad Nacional, Costa Rica, 2008-03-25)En el presente trabajo de investigación participaron 76 fincas lecheras especializadas, localizadas en las principales zonas lecheras de Costa Rica, en las provincias de San José, Cartago, Heredia, Alajuela y Guanacaste. ... -
Epidemiología de los coronavirus que afectan al ser humano
(Oficina de Comunicación, Universidad Nacional, 2021-03)Los coronavirus son virus que tienen su nicho natural en animales silvestres de diversas regiones del mundo, en especial murciélagos o aves, que albergan géneros específicos de estos virus: alfa y beta en murciélagos, ... -
Epidemiología y registro de las cardiopatías congénitas en Costa Rica
(Revista Panamericana de Salud Pública, 2011)Objetivo. Caracterizar la población de niños que nacen con cardiopatías congénitas (CC) en Costa Rica y evaluar sus procesos de registro. Métodos. Estudio observacional exploratorio que incluyó a todos los niños con ... -
Epidemiology of bovine anaplasmosis and babesiosis in Costa Rica
(Elsevier, 1994)A serum bank created by the National Brucellosis Control Program during 1991 con sisted of approximately 4000 sera collected from farms in each of the seven provinces in Costa Rica. Sera were used to determine the ... -
Epidemiology of bovine anaplasmosis in dairy herds from Costa Rica
(Elsevier, 2011)Bovine anaplasmosis is endemic and occurs in almost all areas of livestock production of Costa Rica. The aim of this study was to determine the seroprevalence and risk factors of anaplasmosis in dairy farms of Costa Rica ...